CFDF_Document* CPDF_InterForm::ExportToFDF(
const CFX_WideStringC& pdf_path,
const std::vector<CPDF_FormField*>& fields,
bool bIncludeOrExclude,
bool bSimpleFileSpec) const {
CFDF_Document* pDoc = CFDF_Document::CreateNewDoc();
if (!pDoc)
return nullptr;
CPDF_Dictionary* pMainDict = pDoc->GetRoot()->GetDictBy("FDF");
if (!pdf_path.IsEmpty()) {
if (bSimpleFileSpec) {
CFX_WideString wsFilePath = CPDF_FileSpec::EncodeFileName(pdf_path);
pMainDict->SetAtString("F", CFX_ByteString::FromUnicode(wsFilePath));
pMainDict->SetAtString("UF", PDF_EncodeText(wsFilePath));
} else {
CPDF_FileSpec filespec;
filespec.SetFileName(pdf_path);
pMainDict->SetAt("F", filespec.GetObj());
}
}
CPDF_Array* pFields = new CPDF_Array;
pMainDict->SetAt("Fields", pFields);
int nCount = m_pFieldTree->m_Root.CountFields();
for (int i = 0; i < nCount; i++) {
CPDF_FormField* pField = m_pFieldTree->m_Root.GetField(i);
if (!pField || pField->GetType() == CPDF_FormField::PushButton)
continue;
uint32_t dwFlags = pField->GetFieldFlags();
if (dwFlags & 0x04)
continue;
if (bIncludeOrExclude == pdfium::ContainsValue(fields, pField)) {
if ((dwFlags & 0x02) != 0 && pField->m_pDict->GetStringBy("V").IsEmpty())
continue;
CFX_WideString fullname = FPDF_GetFullName(pField->GetFieldDict());
CPDF_Dictionary* pFieldDict = new CPDF_Dictionary;
pFieldDict->SetAt("T", new CPDF_String(fullname));
if (pField->GetType() == CPDF_FormField::CheckBox ||
pField->GetType() == CPDF_FormField::RadioButton) {
CFX_WideString csExport = pField->GetCheckValue(FALSE);
CFX_ByteString csBExport = PDF_EncodeText(csExport);
CPDF_Object* pOpt = FPDF_GetFieldAttr(pField->m_pDict, "Opt");
if (pOpt)
pFieldDict->SetAtString("V", csBExport);
else
pFieldDict->SetAtName("V", csBExport);
} else {
CPDF_Object* pV = FPDF_GetFieldAttr(pField->m_pDict, "V");
if (pV)
pFieldDict->SetAt("V", pV->CloneDirectObject());
}
pFields->Add(pFieldDict);
}
}
return pDoc;
}
FX_BOOL CPDFSDK_InterForm::SubmitForm(const CFX_WideString& sDestination,
FX_BOOL bUrlEncoded) {
if (sDestination.IsEmpty())
return FALSE;
if (!m_pDocument || !m_pInterForm)
return FALSE;
CPDFSDK_Environment* pEnv = m_pDocument->GetEnv();
CFX_WideString wsPDFFilePath = m_pDocument->GetPath();
CFDF_Document* pFDFDoc =
m_pInterForm->ExportToFDF(wsPDFFilePath.AsStringC(), false);
if (!pFDFDoc)
return FALSE;
CFX_ByteTextBuf FdfBuffer;
FX_BOOL bRet = pFDFDoc->WriteBuf(FdfBuffer);
delete pFDFDoc;
if (!bRet)
return FALSE;
uint8_t* pBuffer = FdfBuffer.GetBuffer();
FX_STRSIZE nBufSize = FdfBuffer.GetLength();
if (bUrlEncoded && !FDFToURLEncodedData(pBuffer, nBufSize))
return FALSE;
pEnv->JS_docSubmitForm(pBuffer, nBufSize, sDestination.c_str());
if (bUrlEncoded)
FX_Free(pBuffer);
return TRUE;
}
CFDF_Document* CFDF_Document::CreateNewDoc() {
CFDF_Document* pDoc = new CFDF_Document;
pDoc->m_pRootDict = new CPDF_Dictionary;
pDoc->AddIndirectObject(pDoc->m_pRootDict);
CPDF_Dictionary* pFDFDict = new CPDF_Dictionary;
pDoc->m_pRootDict->SetAt("FDF", pFDFDict);
return pDoc;
}
CFDF_Document* CFDF_Document::CreateNewDoc() {
CFDF_Document* pDoc = new CFDF_Document;
pDoc->m_pRootDict = new CPDF_Dictionary(pDoc->GetByteStringPool());
pDoc->AddIndirectObject(pDoc->m_pRootDict);
pDoc->m_pRootDict->SetFor("FDF",
new CPDF_Dictionary(pDoc->GetByteStringPool()));
return pDoc;
}
CFDF_Document* CFDF_Document::CreateNewDoc()
{
CFDF_Document* pDoc = FX_NEW CFDF_Document;
pDoc->m_pRootDict = FX_NEW CPDF_Dictionary;
pDoc->AddIndirectObject(pDoc->m_pRootDict);
CPDF_Dictionary* pFDFDict = FX_NEW CPDF_Dictionary;
pDoc->m_pRootDict->SetAt(FX_BSTRC("FDF"), pFDFDict);
return pDoc;
}
FX_BOOL CPDFSDK_InterForm::ExportFormToFDFTextBuf(CFX_ByteTextBuf& textBuf) {
CFDF_Document* pFDF =
m_pInterForm->ExportToFDF(m_pDocument->GetPath().AsStringC(), false);
if (!pFDF)
return FALSE;
FX_BOOL bRet = pFDF->WriteBuf(textBuf);
delete pFDF;
return bRet;
}
CFDF_Document* CFDF_Document::ParseFile(IFX_FileRead* pFile, FX_BOOL bOwnFile) {
if (!pFile) {
return NULL;
}
CFDF_Document* pDoc = new CFDF_Document;
pDoc->ParseStream(pFile, bOwnFile);
if (!pDoc->m_pRootDict) {
delete pDoc;
return NULL;
}
return pDoc;
}
FX_BOOL CPDFSDK_InterForm::FDFToURLEncodedData(uint8_t*& pBuf,
FX_STRSIZE& nBufSize) {
CFDF_Document* pFDF = CFDF_Document::ParseMemory(pBuf, nBufSize);
if (!pFDF)
return TRUE;
CPDF_Dictionary* pMainDict = pFDF->GetRoot()->GetDictFor("FDF");
if (!pMainDict)
return FALSE;
CPDF_Array* pFields = pMainDict->GetArrayFor("Fields");
if (!pFields)
return FALSE;
CFX_ByteTextBuf fdfEncodedData;
for (uint32_t i = 0; i < pFields->GetCount(); i++) {
CPDF_Dictionary* pField = pFields->GetDictAt(i);
if (!pField)
continue;
CFX_WideString name;
name = pField->GetUnicodeTextFor("T");
CFX_ByteString name_b = CFX_ByteString::FromUnicode(name);
CFX_ByteString csBValue = pField->GetStringFor("V");
CFX_WideString csWValue = PDF_DecodeText(csBValue);
CFX_ByteString csValue_b = CFX_ByteString::FromUnicode(csWValue);
fdfEncodedData << name_b.GetBuffer(name_b.GetLength());
name_b.ReleaseBuffer();
fdfEncodedData << "=";
fdfEncodedData << csValue_b.GetBuffer(csValue_b.GetLength());
csValue_b.ReleaseBuffer();
if (i != pFields->GetCount() - 1)
fdfEncodedData << "&";
}
nBufSize = fdfEncodedData.GetLength();
pBuf = FX_Alloc(uint8_t, nBufSize);
FXSYS_memcpy(pBuf, fdfEncodedData.GetBuffer(), nBufSize);
return TRUE;
}
CFDF_Document* CPDF_InterForm::ExportToFDF(
const CFX_WideStringC& pdf_path,
const std::vector<CPDF_FormField*>& fields,
bool bIncludeOrExclude,
bool bSimpleFileSpec) const {
CFDF_Document* pDoc = CFDF_Document::CreateNewDoc();
if (pDoc == NULL) {
return NULL;
}
CPDF_Dictionary* pMainDict = pDoc->GetRoot()->GetDict("FDF");
if (!pdf_path.IsEmpty()) {
if (bSimpleFileSpec) {
CFX_WideString wsFilePath = FILESPEC_EncodeFileName(pdf_path);
pMainDict->SetAtString(FX_BSTRC("F"),
CFX_ByteString::FromUnicode(wsFilePath));
pMainDict->SetAtString(FX_BSTRC("UF"), PDF_EncodeText(wsFilePath));
} else {
CPDF_FileSpec filespec;
filespec.SetFileName(pdf_path);
pMainDict->SetAt("F", static_cast<CPDF_Object*>(filespec));
}
}
CPDF_Array* pFields = CPDF_Array::Create();
if (pFields == NULL) {
return NULL;
}
pMainDict->SetAt("Fields", pFields);
int nCount = m_pFieldTree->m_Root.CountFields();
for (int i = 0; i < nCount; i++) {
CPDF_FormField* pField = m_pFieldTree->m_Root.GetField(i);
if (pField == NULL || pField->GetType() == CPDF_FormField::PushButton) {
continue;
}
FX_DWORD dwFlags = pField->GetFieldFlags();
if (dwFlags & 0x04)
continue;
auto it = std::find(fields.begin(), fields.end(), pField);
if (bIncludeOrExclude == (it != fields.end())) {
if ((dwFlags & 0x02) != 0 && pField->m_pDict->GetString("V").IsEmpty())
continue;
CFX_WideString fullname = GetFullName(pField->GetFieldDict());
CPDF_Dictionary* pFieldDict = CPDF_Dictionary::Create();
if (!pFieldDict)
return nullptr;
CPDF_String* pString = CPDF_String::Create(fullname);
if (!pString) {
pFieldDict->Release();
return nullptr;
}
pFieldDict->SetAt("T", pString);
if (pField->GetType() == CPDF_FormField::CheckBox ||
pField->GetType() == CPDF_FormField::RadioButton) {
CFX_WideString csExport = pField->GetCheckValue(FALSE);
CFX_ByteString csBExport = PDF_EncodeText(csExport);
CPDF_Object* pOpt = FPDF_GetFieldAttr(pField->m_pDict, "Opt");
if (pOpt)
pFieldDict->SetAtString("V", csBExport);
else
pFieldDict->SetAtName("V", csBExport);
} else {
CPDF_Object* pV = FPDF_GetFieldAttr(pField->m_pDict, "V");
if (pV)
pFieldDict->SetAt("V", pV->Clone(TRUE));
}
pFields->Add(pFieldDict);
}
}
return pDoc;
}
